/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#include "tensorflow/contrib/lite/kernels/register.h"

namespace tflite {
namespace ops {

namespace custom {

TfLiteRegistration* Register_AUDIO_SPECTROGRAM();
TfLiteRegistration* Register_MFCC();
TfLiteRegistration* Register_DETECTION_POSTPROCESS();

}  // namespace custom

namespace builtin {

TfLiteRegistration* Register_RELU();
TfLiteRegistration* Register_RELU_N1_TO_1();
TfLiteRegistration* Register_RELU6();
TfLiteRegistration* Register_TANH();
TfLiteRegistration* Register_LOGISTIC();
TfLiteRegistration* Register_AVERAGE_POOL_2D();
TfLiteRegistration* Register_MAX_POOL_2D();
TfLiteRegistration* Register_L2_POOL_2D();
TfLiteRegistration* Register_CONV_2D();
TfLiteRegistration* Register_DEPTHWISE_CONV_2D();
TfLiteRegistration* Register_SVDF();
TfLiteRegistration* Register_RNN();
TfLiteRegistration* Register_BIDIRECTIONAL_SEQUENCE_RNN();
TfLiteRegistration* Register_UNIDIRECTIONAL_SEQUENCE_RNN();
TfLiteRegistration* Register_EMBEDDING_LOOKUP();
TfLiteRegistration* Register_EMBEDDING_LOOKUP_SPARSE();
TfLiteRegistration* Register_FULLY_CONNECTED();
TfLiteRegistration* Register_LSH_PROJECTION();
TfLiteRegistration* Register_HASHTABLE_LOOKUP();
TfLiteRegistration* Register_SOFTMAX();
TfLiteRegistration* Register_CONCATENATION();
TfLiteRegistration* Register_ADD();
TfLiteRegistration* Register_SPACE_TO_BATCH_ND();
TfLiteRegistration* Register_DIV();
TfLiteRegistration* Register_SUB();
TfLiteRegistration* Register_BATCH_TO_SPACE_ND();
TfLiteRegistration* Register_MUL();
TfLiteRegistration* Register_L2_NORMALIZATION();
TfLiteRegistration* Register_LOCAL_RESPONSE_NORMALIZATION();
TfLiteRegistration* Register_LSTM();
TfLiteRegistration* Register_BIDIRECTIONAL_SEQUENCE_LSTM();
TfLiteRegistration* Register_UNIDIRECTIONAL_SEQUENCE_LSTM();
TfLiteRegistration* Register_PAD();
TfLiteRegistration* Register_PADV2();
TfLiteRegistration* Register_RESHAPE();
TfLiteRegistration* Register_RESIZE_BILINEAR();
TfLiteRegistration* Register_SKIP_GRAM();
TfLiteRegistration* Register_SPACE_TO_DEPTH();
TfLiteRegistration* Register_GATHER();
TfLiteRegistration* Register_TRANSPOSE();
TfLiteRegistration* Register_MEAN();
TfLiteRegistration* Register_SPLIT();
TfLiteRegistration* Register_SQUEEZE();
TfLiteRegistration* Register_STRIDED_SLICE();
TfLiteRegistration* Register_EXP();
TfLiteRegistration* Register_TOPK_V2();
TfLiteRegistration* Register_LOG();
TfLiteRegistration* Register_LOG_SOFTMAX();
TfLiteRegistration* Register_CAST();
TfLiteRegistration* Register_DEQUANTIZE();
TfLiteRegistration* Register_PRELU();
TfLiteRegistration* Register_MAXIMUM();
TfLiteRegistration* Register_MINIMUM();
TfLiteRegistration* Register_ARG_MAX();
TfLiteRegistration* Register_ARG_MIN();
TfLiteRegistration* Register_GREATER();
TfLiteRegistration* Register_GREATER_EQUAL();
TfLiteRegistration* Register_LESS();
TfLiteRegistration* Register_LESS_EQUAL();
TfLiteRegistration* Register_FLOOR();
TfLiteRegistration* Register_TILE();
TfLiteRegistration* Register_NEG();
TfLiteRegistration* Register_SUM();
TfLiteRegistration* Register_REDUCE_PROD();
TfLiteRegistration* Register_REDUCE_MAX();
TfLiteRegistration* Register_SELECT();
TfLiteRegistration* Register_SLICE();
TfLiteRegistration* Register_SIN();
TfLiteRegistration* Register_TRANSPOSE_CONV();
TfLiteRegistration* Register_EXPAND_DIMS();
TfLiteRegistration* Register_SPARSE_TO_DENSE();
TfLiteRegistration* Register_EQUAL();
TfLiteRegistration* Register_NOT_EQUAL();
TfLiteRegistration* Register_SQRT();
TfLiteRegistration* Register_RSQRT();
TfLiteRegistration* Register_SHAPE();
TfLiteRegistration* Register_POW();
TfLiteRegistration* Register_FAKE_QUANT();
TfLiteRegistration* Register_PACK();
TfLiteRegistration* Register_ONE_HOT();
TfLiteRegistration* Register_LOGICAL_OR();
TfLiteRegistration* Register_LOGICAL_AND();
TfLiteRegistration* Register_LOGICAL_NOT();

TfLiteStatus UnsupportedTensorFlowOp(TfLiteContext* context, TfLiteNode* node) {
  context->ReportError(
      context,
      "Regular TensorFlow ops are not supported by this interpreter. Make sure "
      "you invoke the Eager delegate before inference.");
  return kTfLiteError;
}

const TfLiteRegistration* BuiltinOpResolver::FindOp(tflite::BuiltinOperator op,
                                                    int version) const {
  return MutableOpResolver::FindOp(op, version);
}

const TfLiteRegistration* BuiltinOpResolver::FindOp(const char* op,
                                                    int version) const {
  // Return the NULL Op for all ops whose name start with "Eager:", allowing
  // the interpreter to delegate their execution.
  if (string(op).find("Eager:") == 0) {
    static TfLiteRegistration null_op{
        nullptr, nullptr, &UnsupportedTensorFlowOp,
        nullptr, nullptr, BuiltinOperator_CUSTOM,
        "Eager", 1};
    return &null_op;
  }
  return MutableOpResolver::FindOp(op, version);
}

BuiltinOpResolver::BuiltinOpResolver() {
  AddBuiltin(BuiltinOperator_RELU, Register_RELU());
  AddBuiltin(BuiltinOperator_RELU_N1_TO_1, Register_RELU_N1_TO_1());
  AddBuiltin(BuiltinOperator_RELU6, Register_RELU6());
  AddBuiltin(BuiltinOperator_TANH, Register_TANH());
  AddBuiltin(BuiltinOperator_LOGISTIC, Register_LOGISTIC());
  AddBuiltin(BuiltinOperator_AVERAGE_POOL_2D, Register_AVERAGE_POOL_2D());
  AddBuiltin(BuiltinOperator_MAX_POOL_2D, Register_MAX_POOL_2D());
  AddBuiltin(BuiltinOperator_L2_POOL_2D, Register_L2_POOL_2D());
  AddBuiltin(BuiltinOperator_CONV_2D, Register_CONV_2D());
  AddBuiltin(BuiltinOperator_DEPTHWISE_CONV_2D, Register_DEPTHWISE_CONV_2D());
  AddBuiltin(BuiltinOperator_SVDF, Register_SVDF());
  AddBuiltin(BuiltinOperator_RNN, Register_RNN());
  AddBuiltin(BuiltinOperator_BIDIRECTIONAL_SEQUENCE_RNN,
             Register_BIDIRECTIONAL_SEQUENCE_RNN());
  AddBuiltin(BuiltinOperator_UNIDIRECTIONAL_SEQUENCE_RNN,
             Register_UNIDIRECTIONAL_SEQUENCE_RNN());
  AddBuiltin(BuiltinOperator_EMBEDDING_LOOKUP, Register_EMBEDDING_LOOKUP());
  AddBuiltin(BuiltinOperator_EMBEDDING_LOOKUP_SPARSE,
             Register_EMBEDDING_LOOKUP_SPARSE());
  AddBuiltin(BuiltinOperator_FULLY_CONNECTED, Register_FULLY_CONNECTED(),
             /* min_version */ 1,
             /* max_version */ 2);
  AddBuiltin(BuiltinOperator_LSH_PROJECTION, Register_LSH_PROJECTION());
  AddBuiltin(BuiltinOperator_HASHTABLE_LOOKUP, Register_HASHTABLE_LOOKUP());
  AddBuiltin(BuiltinOperator_SOFTMAX, Register_SOFTMAX());
  AddBuiltin(BuiltinOperator_CONCATENATION, Register_CONCATENATION());
  AddBuiltin(BuiltinOperator_ADD, Register_ADD());
  AddBuiltin(BuiltinOperator_SPACE_TO_BATCH_ND, Register_SPACE_TO_BATCH_ND());
  AddBuiltin(BuiltinOperator_BATCH_TO_SPACE_ND, Register_BATCH_TO_SPACE_ND());
  AddBuiltin(BuiltinOperator_MUL, Register_MUL());
  AddBuiltin(BuiltinOperator_L2_NORMALIZATION, Register_L2_NORMALIZATION());
  AddBuiltin(BuiltinOperator_LOCAL_RESPONSE_NORMALIZATION,
             Register_LOCAL_RESPONSE_NORMALIZATION());
  AddBuiltin(BuiltinOperator_LSTM, Register_LSTM(), /* min_version */ 1,
             /* max_version */ 2);
  AddBuiltin(BuiltinOperator_BIDIRECTIONAL_SEQUENCE_LSTM,
             Register_BIDIRECTIONAL_SEQUENCE_LSTM());
  AddBuiltin(BuiltinOperator_UNIDIRECTIONAL_SEQUENCE_LSTM,
             Register_UNIDIRECTIONAL_SEQUENCE_LSTM());
  AddBuiltin(BuiltinOperator_PAD, Register_PAD());
  AddBuiltin(BuiltinOperator_PADV2, Register_PADV2());
  AddBuiltin(BuiltinOperator_RESHAPE, Register_RESHAPE());
  AddBuiltin(BuiltinOperator_RESIZE_BILINEAR, Register_RESIZE_BILINEAR());
  AddBuiltin(BuiltinOperator_SKIP_GRAM, Register_SKIP_GRAM());
  AddBuiltin(BuiltinOperator_SPACE_TO_DEPTH, Register_SPACE_TO_DEPTH());
  AddBuiltin(BuiltinOperator_GATHER, Register_GATHER());
  AddBuiltin(BuiltinOperator_TRANSPOSE, Register_TRANSPOSE());
  AddBuiltin(BuiltinOperator_MEAN, Register_MEAN());
  AddBuiltin(BuiltinOperator_DIV, Register_DIV());
  AddBuiltin(BuiltinOperator_SUB, Register_SUB());
  AddBuiltin(BuiltinOperator_SPLIT, Register_SPLIT());
  AddBuiltin(BuiltinOperator_SQUEEZE, Register_SQUEEZE());
  AddBuiltin(BuiltinOperator_STRIDED_SLICE, Register_STRIDED_SLICE());
  AddBuiltin(BuiltinOperator_EXP, Register_EXP());
  AddBuiltin(BuiltinOperator_TOPK_V2, Register_TOPK_V2());
  AddBuiltin(BuiltinOperator_LOG, Register_LOG());
  AddBuiltin(BuiltinOperator_LOG_SOFTMAX, Register_LOG_SOFTMAX());
  AddBuiltin(BuiltinOperator_CAST, Register_CAST());
  AddBuiltin(BuiltinOperator_DEQUANTIZE, Register_DEQUANTIZE());
  AddBuiltin(BuiltinOperator_PRELU, Register_PRELU());
  AddBuiltin(BuiltinOperator_MAXIMUM, Register_MAXIMUM());
  AddBuiltin(BuiltinOperator_MINIMUM, Register_MINIMUM());
  AddBuiltin(BuiltinOperator_ARG_MAX, Register_ARG_MAX());
  AddBuiltin(BuiltinOperator_ARG_MIN, Register_ARG_MIN());
  AddBuiltin(BuiltinOperator_GREATER, Register_GREATER());
  AddBuiltin(BuiltinOperator_GREATER_EQUAL, Register_GREATER_EQUAL());
  AddBuiltin(BuiltinOperator_LESS, Register_LESS());
  AddBuiltin(BuiltinOperator_LESS_EQUAL, Register_LESS_EQUAL());
  AddBuiltin(BuiltinOperator_FLOOR, Register_FLOOR());
  AddBuiltin(BuiltinOperator_NEG, Register_NEG());
  AddBuiltin(BuiltinOperator_SELECT, Register_SELECT());
  AddBuiltin(BuiltinOperator_SLICE, Register_SLICE());
  AddBuiltin(BuiltinOperator_SIN, Register_SIN());
  AddBuiltin(BuiltinOperator_TRANSPOSE_CONV, Register_TRANSPOSE_CONV());
  AddBuiltin(BuiltinOperator_TILE, Register_TILE());
  AddBuiltin(BuiltinOperator_SUM, Register_SUM());
  AddBuiltin(BuiltinOperator_REDUCE_PROD, Register_REDUCE_PROD());
  AddBuiltin(BuiltinOperator_REDUCE_MAX, Register_REDUCE_MAX());
  AddBuiltin(BuiltinOperator_EXPAND_DIMS, Register_EXPAND_DIMS());
  AddBuiltin(BuiltinOperator_SPARSE_TO_DENSE, Register_SPARSE_TO_DENSE());
  AddBuiltin(BuiltinOperator_EQUAL, Register_EQUAL());
  AddBuiltin(BuiltinOperator_NOT_EQUAL, Register_NOT_EQUAL());
  AddBuiltin(BuiltinOperator_SQRT, Register_SQRT());
  AddBuiltin(BuiltinOperator_RSQRT, Register_RSQRT());
  AddBuiltin(BuiltinOperator_SHAPE, Register_SHAPE());
  AddBuiltin(BuiltinOperator_POW, Register_POW());
  AddBuiltin(BuiltinOperator_FAKE_QUANT, Register_FAKE_QUANT(), 1, 2);
  AddBuiltin(BuiltinOperator_PACK, Register_PACK());
  AddBuiltin(BuiltinOperator_ONE_HOT, Register_ONE_HOT());
  AddBuiltin(BuiltinOperator_LOGICAL_OR, Register_LOGICAL_OR());
  AddBuiltin(BuiltinOperator_LOGICAL_AND, Register_LOGICAL_AND());
  AddBuiltin(BuiltinOperator_LOGICAL_NOT, Register_LOGICAL_NOT());

  // TODO(andrewharp, ahentz): Move these somewhere more appropriate so that
  // custom ops aren't always included by default.
  AddCustom("Mfcc", tflite::ops::custom::Register_MFCC());
  AddCustom("AudioSpectrogram",
            tflite::ops::custom::Register_AUDIO_SPECTROGRAM());
  AddCustom("TFLite_Detection_PostProcess",
            tflite::ops::custom::Register_DETECTION_POSTPROCESS());
}

}  // namespace builtin
}  // namespace ops
}  // namespace tflite
